Datasheet

STM32H743xI Functional overview
DocID030538 Rev 3 25/226
Figure 2. STM32H743xI bus matrix
MSv46613V1
AXIM
DMA2
Ethernet
MAC
SDMMC2DMA1 USBHS1 USBHS2
APB1
SDMMC1 MDMA DMA2D LTDC
BDMA
APB4
Cortex-M7
I$
16KB
D$
16KB
AHBP
DMA1_MEM
DMA1_PERIPH
DMA2_MEM
DMA2_PERIPH
APB3
32-bit AHB bus matrix
D2 domain
64-bit AXI bus matrix
D1 domain
32-bit AHB bus matrix
D3 domain
DTCM
128 Kbyte
ITCM
64 Kbyte
Flash A
1 Mbyte
Flash B
1 Mbyte
AXI SRAM
512 Kbyte
QSPI
FMC
SRAM1 128
Kbyte
SRAM2 128
Kbyte
SRAM3
32 Kbyte
AHB1 AHB2
AHB4
SRAM4
64 Kbyte
Backup
SRAM
4 Kbyte
AHBS
CPU
D2-to-D1 AHB
D2-to-D3 AHB
D1-to-D2 AHB
D1-to-D3 AHB
32-bit bus 64-bit bus Bus multiplexer
Legend
Master interface Slave interface
AHB3
AXI
AHB
APB
APB2
TCM
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